#!/usr/bin/env bash
set -e
cd buildroot
make BR2_EXTERNAL="$(pwd)/../kernel_module" qemu_x86_64_defconfig
echo '
BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="../kernel_config_fragment"
BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="../busybox_config_fragment"
BR2_PACKAGE_KERNEL_MODULE=y
BR2_ROOTFS_OVERLAY="../rootfs_overlay"
' >> .config
env -u LD_LIBRARY_PATH make BR2_JLEVEL="$(($(nproc) - 2))" kernel_module-rebuild all
qemu-system-x86_64 \
  -M pc \
  -append 'root=/dev/vda' \
  -drive file=output/images/rootfs.ext2,if=virtio,format=raw \
  -kernel output/images/bzImage \
  -net nic,model=virtio \
  -net user \
;
